#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<stdlib.h>
int main(void)
{
	/*int(*p)[5]=(int(*)[5])malloc(40);
	free(p);
	p = NULL;
	int* p1 = (int*)calloc(5, 4);
	int i = 0;
	for (i = 0; i < 5; i++)
	{
		printf("%d", p1[i]);
	}
	free(p1);
	p1 = NULL;*/
	int* p = (int*)malloc(12);
	printf("%d ", _msize(p));
	
	int *p1=(int*)realloc(p,20);
	printf("%d", _msize(p));
	free(p);
	return 0;
}